It seems that fetuses not only warm to the sound of mother's voice as they gestate, they also are being programmed in the direct patterns inherent in certain languages. By the time we are born, our dialect is determined.
Wermke's team recorded and analyzed the cries of 60 healthy newborns, 30 born into French-speaking families and 30 born into German-speaking families, when they were three to five days old. That analysis revealed clear differences in the shape of the newborns' cry melodies, based on their mother tongue.
Specifically, French newborns tend to cry with a rising melody contour, whereas German newborns seem to prefer a falling melody contour in their crying. Those patterns are consistent with characteristic differences between the two languages, Wermke said.
ScienceDaily has a brief story about this new knowledge: Link
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This is lame
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if *you're* not the one having the abortion done, then maybe you should mind your own business.
This is just one story, but I remember learning about the apprehension of language in my linguistics classes, and I just think the way you've boiled it down here is a little too simplistic. For instance, the real test of whether a dialect is "fixed" by birth would be to take an infant born in another country (China, for instance) with entirely different syntax from the one in which they were raised and see how easily they learned their mother tongue at the high school level compared to their (U.S. born) peers.
I doubt this proves language is completely learned before birth.